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  • Eastman

    Product description

    IUPAC: 3-Hydroxy-2,2-Dimethylpropyl 3-Hydroxy-2,2-Dimethylpropanoate

    Eastman? HPHP glycol, hydroxypivalyl hydroxypivalate, is a difunctional ester-glycol used for manufacturing polyester resins for the powder, coil, and automotive coatings market. HPHP is structurally similar to Eastman? NPG glycol so they share many of the same structure/property relationships.

    Resins containing HPHP impart flexibility to coatings while maintaining weathering and the overall good balance of mechanical properties provided by NPG. Consequently, HPHP is an excellent choice for automotive primer surfacers with increased chip resistance and coil coatings that require a high degree of flexibility and exterior durability. In powder coatings, HPHP enhances the appearance of the coating film by improving flow and leveling during cure without compromising package stability.

    Eastman? HPHP is available in three forms:

    • Cast solid in drums requiring a hot room or drum heater to melt the drum contents for removal.

    • Free-flowing nuggets in bags that have good resistance to caking.
    • Bulk molten shipped in tank trucks requiring a heated tank for storage.

    Contact us for more information, to request a sample, or to receive a copy of Eastman publication, Storage and Handling of HPHP Glycol?.

    Applications/uses

    • Auto OEM
    • Auto refinish
    • Coil coatings
    • Coil coatings-appliances
    • Protective coatings

      Key attributes

      • Excellent weathering
      • Improved flexibility
      • Improved resin solubility
      • Lower resin melt viscosity
      • Reduced resin crystallinity
      • Reduced resin glass transition temperature

        Regulatory information and data sheets

        Product availability

        Check with local sales office to determine exact availability by country. Orders subjected to minimum order quantity.
        • Asia Pacific
        • Europe, Middle East, & Africa
        • Latin America
        • North America

        Authorized distributors

        Please select a region and country for a list of authorized distributors. If a country is not listed for a region, contact Eastman for further information.
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        © 2020 Eastman Chemical Company or its subsidiaries. All rights reserved.
        As used herein, ® denotes registered trademark status in the U.S. only.
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